{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "cell line", "DNA", "RNA"], "input": "In human histiocytic U937 cells mRNA of clone pAT 133 was constitutively expressed, whereas mRNA of pAT 225/EGR1 was induced upon induction of terminal differentiation ."}
{"cell type": [], "protein": ["pAT 225/EGR1"], "cell line": ["human histiocytic U937 cells"], "DNA": [], "RNA": ["human histiocytic U937 cells mRNA", "mRNA"]}